Watts 0383742 Valve 30067439-890 Constructed with a durable alloy

Constructed with a durable alloy housing and a high-quality fused silica quartz lens

Regular inspection and replacement of the diaphragm are recommended to prevent air leaks and ensure the long-term efficiency of your Johnson Controls pneumatic actuator system

and a complete piston assembly to resolve common issues such as internal leaking or sluggish actuation

Precise Authority Adjustment: Field-selectable 20% to 200% authority allows for fine-tuning based on primary input signals

Watts 0383742 Valve 30067439-890 Constructed with a durable alloyThe Watts 0383742 is a heavy duty Series 740 high capacity boiler pressure relief valve, engineered specifically for hot water space heating applications. Featuring a 1 1 2 inch NPTF female inlet and a 2 inch NPTF female outlet, this ASME Section IV certified valve is set at 45 PSI to provide critical overpressure protection. The iron body construction is paired with a forged bronze inlet and expanded outlets to facilitate high discharge rates,